Assignee
TAKIGAWA SOUICHI
JP·3 granted patents·131 citations·filing 2009–2009
Technology mixH04R3
Top patents by PatentIndex Score
3 records- 0193US8320601B2Earphone device and sound generating apparatus equipped with the sameTAKIGAWA SOUICHI·Filed 2009·Granted Nov 27, 2012·63 cites·20 claims
- 0291US8090134B2Earphone device, sound tube forming a part of earphone device and sound generating apparatusTAKIGAWA SOUICHI·Filed 2009·Granted Jan 3, 2012·60 cites·20 claims
- 0375US8270657B2Earphone device and sound generating apparatus equipped with the sameTAKIGAWA SOUICHI·Filed 2009·Granted Sep 18, 2012·8 cites·20 claims
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